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  • Insight-HXMT Discovers Closest High-speed Jet to Black Hole

    Insight-HXMT, China's first space X-ray astronomical satellite, has discovered a low-frequency quasi-periodic oscillation (QPO) above 200 kiloelectron volts (keV) in a black hole binary, making it the highest energy low-frequency QPO ever found. The scientists also found that the QPO originated from the precession of a relativistic jet (high-speed outward-moving plasma stream) near the event horizon of the black hole. These discoveries have important implications for resolving the long-running debate about the physical origin of low-frequency QPOs.

    Sep 22, 2020
  • Series of Alfven Eigenmodes are excited during sawteeth-like oscillation.png
    Better Understanding of Plasma Instabilities in Fusion Given

    Recently, scientists of EAST team found that series of Alfven Eigenmodes were excited during the formation of internal transport barrier, i.e. beta-induced Alfven Eigenmodes (BAEs), reversed shear Alfven Eigenmodes (RSAEs) and beta-induced Alfven-Acoustic Eigenmode (BAAE).

    Sep 18, 2020
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